Orthopedic walker



FIG. 1 is a front perspective view of an orthopedic walker showing my design.

FIG. 2 is a front elevational view of the orthopedic walker of FIG. 1.

FIG. 3 is a first side elevational view of the orthopedic walker of FIG. 1.

FIG. 4 is a rear elevational view of the orthopedic walker of FIG. 1.

FIG. 5 is a second side elevational view of the orthopedic walker of FIG. 1; and,

FIG. 6 is a top plan view of the orthopedic walker of FIG. 1.

The broken lines illustrate environmental structure of the orthopedic walker and form no part of the claimed design. 

The ornamental design for an orthopedic walker, as shown and described. 